```cpp
cout << e << f << endl;
```
#### 有空格的
```cpp
double f;
```
应该是 int f
by zyt925 @ 2023-07-12 17:48:09
@[xiaoyuwenfei](/user/679986) 输出貌似要隔开
```cpp
cout<<e<<" "<<f;
by zsh_haha @ 2023-07-12 18:00:38
@[zhangsenhao6728](/user/757139) @[zyt925](/user/537422) 成功了！谢谢帮助 ：D
by xiaoyuwenfei @ 2023-07-12 18:09:14
: )
by zyt925 @ 2023-07-12 19:14:06